Link license corrections

Follow-up for 7316bdc9

README.md

@@ -163,5 +163,5 @@ plugin development.
 
 ## License
 
-Grafana is distributed under [Apache 2.0 License](https://github.com/grafana/grafana/blob/master/LICENSE.md).
+Grafana is distributed under [Apache 2.0 License](https://github.com/grafana/grafana/blob/master/LICENSE).
 

scripts/grunt/options/compress.js

@@ -15,7 +15,7 @@ module.exports = function(config) {
         },
         {
           expand: true,
-          src: ['LICENSE.md', 'README.md', 'NOTICE.md'],
+          src: ['LICENSE', 'README.md', 'NOTICE.md'],
           dest: '<%= pkg.name %>-<%= pkg.version %>/',
         }
       ]